cirri
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cir·ri
(sîr′ī′)n.
Plural of cirrus.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
cirri
(ˈsɪraɪ)n
1. (Physical Geography) the plural of cirrus
2. (Botany) the plural of cirrus
3. (Zoology) the plural of cirrus
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
cir•rus
(ˈsɪr əs)n., pl. cir•ri (ˈsɪr aɪ) .
1. a high-altitude cloud composed of ice crystals and characterized by thin white filaments or narrow bands.
2. a tendril.
3.
a. a filament or slender appendage serving as a foot, tentacle, barbel, etc.
b. the male copulatory organ of flatworms and various invertebrates.
[1700–10; < Latin: a curl, tuft, plant filament]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.